From 5042498c8fe12751c1b6560ae1fde07e7cd78259 Mon Sep 17 00:00:00 2001 From: nea Date: Fri, 20 Aug 2021 15:33:32 +0200 Subject: aaaaaaaa --- src/jsMain/kotlin/WebOS.kt | 345 --------------------------------------------- 1 file changed, 345 deletions(-) delete mode 100644 src/jsMain/kotlin/WebOS.kt (limited to 'src/jsMain/kotlin/WebOS.kt') diff --git a/src/jsMain/kotlin/WebOS.kt b/src/jsMain/kotlin/WebOS.kt deleted file mode 100644 index 4ad2f86..0000000 --- a/src/jsMain/kotlin/WebOS.kt +++ /dev/null @@ -1,345 +0,0 @@ -import io.FileService -import io.Path -import io.PrimitiveFileService -import io.PrimitiveINode -import kotlinx.browser.document -import kotlinx.browser.window -import org.w3c.dom.Element -import org.w3c.dom.Node -import org.w3c.dom.asList -import org.w3c.dom.events.Event -import org.w3c.dom.events.KeyboardEvent -import kotlin.properties.Delegates - -fun main() { - console.log("Hello from Kotlin") - val webos = WebOS() - document.body?.addEventListener("load", { - document.body?.querySelectorAll(".webosconsole")?.asList()?.forEach { - if (it !is Element) return@forEach - webos.registerConsole(it) - } - }) -} - -data class CharacterRun(val text: String, val color: String) - -abstract class Activity(val console: Console) { - - open fun handleKeyPress(key: Key) {} - open fun update() {} - abstract fun render(columns: Int, rows: Int): List> -} - -class ShellRunner(console: Console) : Activity(console) { - - val history = mutableListOf() - - val shellProgramStack = ArrayDeque() - - var lastLine = "" - - fun newLine() { - history.add(lastLine) - lastLine = "" - console.invalidateRender() - } - - fun println(it: String = "") { - print(it) - newLine() - } - - fun print(it: String) { - lastLine += it - console.invalidateRender() - } - - override fun update() { - shellProgramStack.lastOrNull()?.update() - } - - fun getInput(): String? { - if (inputBuffer.contains("\n")) { - val r = inputBuffer.substringBefore("\n") - inputBuffer = inputBuffer.substringAfter("\n") - return r - } - return null - } - - override fun render(columns: Int, rows: Int): List> = - history.map { listOf(CharacterRun(it.take(columns), "white")) }.takeLast(rows - 1) + listOf( - listOf( - CharacterRun( - lastLine + inputBuffer, - "white" - ) - ) - ) - - var inputBuffer = "" - - override fun handleKeyPress(key: Key) = when (key) { - is Key.Printable -> { - inputBuffer += key.char - } - is Key.Enter -> { - inputBuffer += "\n" - } - else -> Unit - } - - fun openShellProgram(program: (ShellRunner) -> T): ShellRunner = openShellProgram(program(this)) - - fun openShellProgram(program: T): ShellRunner { - shellProgramStack.addLast(program) - return this - } - -} - -abstract class ShellProgram(val shellRunner: ShellRunner) { - - abstract fun update(): Unit -} - -sealed class Key { - object Alt : Key() - object AltGraph : Key() - object CapsLock : Key() - object Control : Key() - object Function : Key() - object FunctionLock : Key() - object Hyper : Key() - object Meta : Key() - object NumLock : Key() - object Shift : Key() - object Super : Key() - object Symbol : Key() - object SymbolLock : Key() - object Enter : Key() - object Tab : Key() - sealed class Arrow : Key() { - object Down : Key() - object Left : Key() - object Right : Key() - object Up : Key() - } - - object End : Key() - object Home : Key() - object PageUp : Key() - object PageDown : Key() - object Backspace : Key() - object Clear : Key() - object Copy : Key() - object CrSel : Key() - object Cut : Key() - object Delete : Key() - object EraseEof : Key() - object ExSel : Key() - object Insert : Key() - object Paste : Key() - object Redo : Key() - object Undo : Key() - object Accept : Key() - object Again : Key() - object Attn : Key() - object Cancel : Key() - object ContextMenu : Key() - object Escape : Key() - object Execute : Key() - object Find : Key() - object Finish : Key() - object Help : Key() - class Printable(val char: Char) : Key() - class FunctionN(val n: Int) : Key() - companion object { - - fun from(string: String) = when (string) { - "Alt" -> Alt - "AltGraph" -> AltGraph - "CapsLock" -> CapsLock - "Control" -> Control - "Fn" -> Function - "FnLock" -> FunctionLock - "Hyper" -> Hyper - "Meta" -> Meta - "NumLock" -> NumLock - "Shift" -> Shift - "Super" -> Super - "Symbol" -> Symbol - "SymbolLock" -> SymbolLock - "Enter" -> Enter - "Tab" -> Tab - "Down" -> Arrow.Down - "Left" -> Arrow.Left - "Right" -> Arrow.Right - "Up" -> Arrow.Up - "End" -> End - "Home" -> Home - "PageUp" -> PageUp - "PageDown" -> PageDown - "Backspace" -> Backspace - "Clear" -> Clear - "Copy" -> Copy - "CrSel" -> CrSel - "Cut" -> Cut - "Delete" -> Delete - "EraseEof" -> EraseEof - "ExSel" -> ExSel - "Insert" -> Insert - "Paste" -> Paste - "Redo" -> Redo - "Undo" -> Undo - "Accept" -> Accept - "Again" -> Again - "Attn" -> Attn - "Cancel" -> Cancel - "ContextMenu" -> ContextMenu - "Escape" -> Escape - "Execute" -> Execute - "Find" -> Find - "Finish" -> Finish - "Help" -> Help - else -> if (string.length == 1) - Printable(string.first()) - else if (string.first() == 'F') - FunctionN(string.substring(1).toInt()) - else throw TODO() - } - } -} - -class Login(shellRunner: ShellRunner) : ShellProgram(shellRunner) { - - override fun update() { - while (true) - when (state) { - 0 -> { - shellRunner.print("Username: ") - state = 1 - } - 1 -> { - val inp = shellRunner.getInput() ?: return - shellRunner.println(inp) - shellRunner.print("Password: ") - username = inp - state = 2 - } - 2 -> { - val inp = shellRunner.getInput() ?: return - shellRunner.println(inp) - shellRunner.println("Login complete)") - password = inp - // TODO: check password and set user - state = 3 - } - 3 -> { - TODO() - } - } - - } - - var state = 0 - var username = "" - var password = "" - -} - -class Console(val os: WebOS, val renderElement: Element?) { - - val isVirtual get() = renderElement == null - val activityStack = ArrayDeque() - - var columns: Int = 80 - var rows: Int = 46 - - var shouldRerender = true - - var currentUser: User? = null - - private var _workingDirectory: Path.Absolute? = null - - var workingDirectory: Path.Absolute - get() = _workingDirectory ?: currentUser?.homeDirectory ?: Path.root - set(value) { - _workingDirectory = value - } - - init { - renderElement?.addEventListener("keydown", ::computeKeypressEvent) - } - - fun computeKeypressEvent(event: Event) { - if (!isInFocus()) return - if (event !is KeyboardEvent) return - activityStack.lastOrNull()?.handleKeyPress(Key.from(event.key)) - } - - private fun isInFocus(): Boolean = renderElement.containsOrIs(document.activeElement) - - private fun Node?.containsOrIs(node: Node?) = this == node || this?.contains(node) ?: false - - fun openActivity(activity: (Console) -> T): Console = openActivity(activity(this)) - - fun openActivity(activity: T): Console { - activityStack.addLast(activity) - invalidateRender() - return this - } - - fun render() { - if (renderElement == null) return - if (!shouldRerender) return - shouldRerender = false - val x = activityStack.lastOrNull()?.render(columns, rows) - console.log(x) - } - - fun invalidateRender() { - shouldRerender = true - window.requestAnimationFrame { render() } - } - - fun resize(newColumns: Int, newRows: Int) { - invalidateRender() - } - - // TODO: Handle resizes of the renderElement - - fun update(): Unit { - activityStack.lastOrNull()?.update() - } - - var updateInterval by Delegates.notNull() - - fun start(): Console { - updateInterval = window.setInterval(::update, 10) - return openActivity(ShellRunner(this).also { it.openShellProgram(Login(it)) }) - } - - fun destroy() { - window.clearInterval(updateInterval) - } - -} - -class WebOS { - - val hostname: String = "host" - private val _consoles = mutableListOf() - val consoles get() = _consoles.toList() - val files: FileService = PrimitiveFileService() - fun registerConsole(element: Element) { - _consoles.add(Console(this, element)) - } -} - -data class User( - val name: String, - val homeDirectory: Path.Absolute, - val isRoot: Boolean = false, -) -- cgit